public class test {
    public static void main(String[] args) {
        J2411121 j2411121 = new J2411121();
        j2411121.add(99);
        j2411121.add(55);
        j2411121.add(27);
        j2411121.add1(3,25);
        j2411121.contains(99);
        j2411121.indexOf(99);
        System.out.println(j2411121.get(1));
        j2411121.display();
    }
}
